Disguising himself as a milquetoast Easterner who writes Western novels, Hoppy enrolls in a dude ranch in order to unmask the murderer of the owner's husband.

William Boyd
as Hopalong Cassidy

George 'Gabby' Hayes
as Windy Halliday

Russell Hayden
as Lucky Jenkins

Charlotte Wynters
as Ann Marsh

Jan Clayton
as Dorrie Marsh

Robert Fiske
as Monte Keller

Kenneth Harlan
as John Marsh

Anthony Nace
as Steve Dorman

Kathryn Sheldon
as Abigail Snodgrass

Maurice Cass
as E. Prescott Furbush
CinemaSerf
When a stagecoach is robbed and a passenger murdered, the boss of the company asks his pal “Hoppalong” (William Boyd) and his friend “Windy” (‘Gabby’ Hayes) to travel, incognito, to get to the bottom of things. We know that “Keller” (Robert Fiske) is the man behind the crimes and that he has stolen ...